Dr. Tuan Dinh Phan, MD
- Medicare services, 2017
- 12
- Part D claims, 2018
- 25
- Publications
- 8
- Industry payments
- $887
- Affiliated sites
- 2
- Practice address
- 44469 10th W St, Lancaster, CA 93534
- Practice phone
- Call (818) 654-3463
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Heritage Sierra Medical Group - Lancaster Walk-In Clinic
Urgent Care Center · Lancaster, California
Find Dr. Phan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Tuan Dinh Phan is a family medicine physician in Lancaster, California
Dr. Phan practices at Heritage Sierra Medical Group - Lancaster Walk-In Clinic in Lancaster, California.
Dr. Phan's NPI, 1689633992, was assigned on March 23, 2006. Dr. Phan graduated from Ho Chi Minh City Medicine and Pharmacy University in 1968. Dr. Phan holds California license C50536.
- NPI
- 1689633992NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2006
- NPI status
- Active
- Practice phone
- (818) 654-3463
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Tuan Dinh Phan practices at Heritage Sierra Medical Group - Lancaster Walk-in Clinic in Lancaster, California
Dr. Phan's primary practice is Heritage Sierra Medical Group - Lancaster Walk-in Clinic, at 44469 10th W St, Lancaster, CA 93534. The practice phone is (818) 654-3463.
- Heritage Sierra Medical Group - Lancaster Walk-in Clinic44469 10th W St, Lancaster, CA 93534Phone(818) 654-3463
Source: Dmand AI Affiliation Data
Dr. Tuan Dinh Phan is affiliated with 2 sites of care and 1 medical group
Dr. Phan's primary practice is Heritage Sierra Medical Group - Lancaster Walk-In Clinic in Lancaster, California. The medical group on file is Sierra Medical Group. Dmand AI also links Dr. Phan to 1 more group practice or clinic, named with a free account. Dr. Phan's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tuan Dinh Phan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Heritage Sierra Medical Group - Lancaster Walk-In Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tuan Dinh Phan is one of 15,680 family medicine physicians in California
Family medicine is Dr. Phan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Phan's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Michigan license
Family medicine physicians near Dr. Phan
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tuan Dinh Phan billed Medicare for 12 services in 2017
CMS data shows 12 Medicare services from Dr. Phan across 1 procedure code in 2017. Medicare paid $35 for them. Every service was in an office.
Dr. Phan's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Surgery
- 2016: 382017: 1268%
Dr. Phan compared with the California median for family medicine physicians, 2017
- Dr. Phan
- California median
- Medicare services
- 12vs 24695% below
- Part D claims
- 25vs 83397% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Phan's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Phan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Phan and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tuan Dinh Phan's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Phan's median patient age at 64, with 61% women.
Dr. Phan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women61%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Tuan Dinh Phan wrote 25 Medicare Part D claims in 2018
In 2018, Dr. Phan wrote 25 Medicare Part D claims. They cover 1 drug, with $86,922 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Dr. Phan's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 112018: 25127%
Drugs named by CMS: 1 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Tuan Dinh Phan has 8 publications on record
Dmand AI links 8 papers to Dr. Phan in 2008. 2008 was the busiest year, with 2. Dr. Phan has published most often in Inorg Chem.
Recent publications by Dr. Phan
See who Dr. Phan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Phan works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tuan Dinh Phan received $887 in industry payments from 2016 to 2023
CMS Open Payments shows 11 general payments to Dr. Phan from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Radius Health, Inc. paid the most, $407.
General payments to Dr. Phan by program year, 2016 to 2023
Companies that paid Dr. Phan the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tuan Dinh Phan has 1 award and honors on record
Dmand AI lists 1 award for Dr. Phan, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Phan
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Tuan Dinh Phan graduated from Ho Chi Minh City Medicine and Pharmacy University
Dr. Phan graduated from Ho Chi Minh City Medicine and Pharmacy University in 1968.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Tuan Dinh Phan accepts plans from 6 insurance carriers
Dr. Phan is in network with 6 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Humana. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Molina
- Regence Health Plans
- Blue Cross Blue Shield of Michigan
Plan types Dr. Phan accepts, by number of carriers
- Medicare5
- PPO5
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Tuan Dinh Phan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tuan Dinh Phan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tuan Dinh Phan's NPI number?
Dr. Tuan Dinh Phan's NPI number is 1689633992. It was assigned on March 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tuan Dinh Phan?
Dr. Tuan Dinh Phan is a family medicine physician in Lancaster, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Tuan Dinh Phan practice?
Dr. Phan practices at 44469 10th W St, Lancaster, CA 93534. Dr. Phan's primary practice is Heritage Sierra Medical Group - Lancaster Walk-In Clinic in Lancaster, California. Dmand AI also links Dr. Phan to 1 group practice or clinic.
What is Dr. Tuan Dinh Phan's office phone number?
The practice phone on file for Dr. Phan is (818) 654-3463.
What is Dr. Tuan Dinh Phan's medical license number?
Dr. Phan holds California license C50536, one of the licenses on file in 2 states.
Which states has Dr. Tuan Dinh Phan been licensed in?
Dmand AI has state licenses on file for Dr. Phan in California (2001 to 2027) and Michigan (1992 to 2014).
What medical group is Dr. Tuan Dinh Phan part of?
Dr. Phan is linked to Sierra Medical Group.
Does Dr. Tuan Dinh Phan accept Medicare?
Yes. CMS data shows Dr. Phan billed Medicare for 12 services in 2017.
What services does Dr. Tuan Dinh Phan bill to Medicare?
In 2017, Dr. Phan's most billed Medicare services were surgery: heart and blood vessels (36415).
Where did Dr. Tuan Dinh Phan go to medical school?
Dr. Phan graduated from Ho Chi Minh City Medicine and Pharmacy University in 1968.
Show 5 more questionsShow fewer questions
What drugs does Dr. Tuan Dinh Phan prescribe most?
In 2018 Medicare Part D data, Dr. Phan's most prescribed drugs by claims were Metformin ER Gastric.
Has Dr. Tuan Dinh Phan received payments from drug or device companies?
CMS Open Payments shows $887 in general payments to Dr. Phan from 7 companies from 2016 to 2023. The largest total came from Radius Health, Inc.
How long has Dr. Tuan Dinh Phan been practicing?
Dr. Phan graduated from medical school in 1968, 58 years ago.
Does Dr. Tuan Dinh Phan do research?
Dmand AI links 8 publications to Dr. Phan.
What insurance does Dr. Tuan Dinh Phan accept?
Dr. Phan is in network with 6 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Humana. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to family medicine practices?
See family medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card